quick fixes to deploy and clean

- adding a missing exit 1 in the deploy script
- setting link up on hypervisor bridges
- redirecting error from cleanup commands so they're not so chatty

Change-Id: I844c35effb2817948ea096b07a34d83678803e00

ci/clean.sh

@@ -13,7 +13,7 @@ ovs_bridges="brbm brbm1 brbm2 brbm3"
 # Clean off instack VM
 virsh destroy instack 2> /dev/null || echo -n ''
 virsh undefine instack --remove-all-storage 2> /dev/null || echo -n ''
-if ! virsh vol-delete instack.qcow2 --pool default; then
+if ! virsh vol-delete instack.qcow2 --pool default 2> /dev/null; then
   if [ ! -e /var/lib/libvirt/images/instack.qcow2 ]; then
     /usr/bin/touch /var/lib/libvirt/images/instack.qcow2
     virsh vol-delete instack.qcow2 --pool default
@@ -34,7 +34,7 @@ done
 for bridge in ${ovs_bridges}; do
   virsh net-destroy ${bridge} 2> /dev/null
   virsh net-undefine ${bridge} 2> /dev/null
-  if detach_interface_from_ovs ${bridge}; then
+  if detach_interface_from_ovs ${bridge} 2> /dev/null; then
     ovs-vsctl del-br ${bridge} 2> /dev/null
   fi
 done

ci/deploy.sh

@@ -859,6 +859,7 @@ EOI
       ovs_ip=${ip_range##*,}
       eval "net_cidr=\${${network}_cidr}"
       sudo ip addr add ${ovs_ip}/${net_cidr##*/} dev ${NET_MAP[$network]}
+      sudo ip link set up ${NET_MAP[$network]}
       tmp_ip=$(find_ip ${NET_MAP[$network]})
       if [ -n "$tmp_ip" ]; then
         echo -e "${blue}INFO: OVS Bridge ${NET_MAP[$network]} IP set: ${tmp_ip}${reset}"
@@ -960,6 +961,7 @@ parse_cmdline() {
     echo -e "${red}INFO: Single flat network requested. Ignoring any network settings!${reset}"
   elif [[ -z "$NETSETS" && "$net_isolation_enabled" == "TRUE" ]]; then
     echo -e "${red}ERROR: You must provide a network_settings file with -n or use --flat to force a single flat network{reset}"
+    exit 1
   fi
 
   if [[ -n "$virtual" && -n "$INVENTORY_FILE" ]]; then